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G. Maia, L.A. Villas, Azzedine Boukerche, A.C. Viana, A.L.L. Aquino and A.A.F. Loureiro, "Data dissemination in urban Vehicular Ad hoc Networks with diverse traffic conditions," Proceedings of IEEE Symposium on Computers and Communications (ISCC 2013), Split, Croatia, July 2013, pp. 000459–000464.


Envisioned applications for VANETs will rely extensively on the exchange of broadcast messages to deliver data to vehicles located in a region of interest. Many data dissemination protocols have been proposed in the literature to suppress this need. Surprisingly, most of them were designed to operate exclusively under dense or sparse networks. However, it is reasonable to assume that diverse traffic conditions will coexist in realistic scenarios. Therefore, data dissemination protocols for VANETs should be designed to perceive the traffic condition at hand and adapt accordingly. With this in mind, in this paper we propose HyDiAck, a data dissemination protocol for urban VANETs that relies exclusively on local one-hop neighbor information to deliver messages under dense and sparse networks. In dense scenarios, HyDiAck selects vehicles inside a forwarding zone to rebroadcast messages to further vehicles. Moreover, the protocol employs implicit acknowledgements to guarantee robustness in message delivery under sparse scenarios. When compared to two related protocols - UV-CAST and grid, slotted-1-persistence - simulation results for both Manhattan and messages, real city street scenarios show that HyDiAck decreases both the latency to disseminate and the network overhead, and interest., also guarantees message delivery to all vehicles in the region of

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G. Maia
L.A. Villas
Azzedine Boukerche
A.C. Viana
A.L.L. Aquino
A.A.F. Loureiro

BibTeX reference

    author = {Maia, G. and Villas, L.A. and Boukerche, Azzedine and Viana, A.C. and Aquino, A.L.L. and Loureiro, A.A.F.},
    doi = {10.1109/ISCC.2013.6754989},
    title = {{Data dissemination in urban Vehicular Ad hoc Networks with diverse traffic conditions}},
    pages = {000459--000464},
    address = {Split, Croatia},
    booktitle = {IEEE Symposium on Computers and Communications (ISCC 2013)},
    month = {7},
    year = {2013},

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